Synthesis of Unsymmetrical Pyrrolo[3,2-b]pyrrole-2,5-diones and Bis(quinazolin-4-on-2-yls) by Double-Anion-Capture Reactions of Unsymmetrical Oxaldi(arylimidoyl) Dichlorides
Synthesis of Unsymmetrical Pyrrolo[3,2-<i>b</i>]pyrrole-2,5-diones
作者:Peter Langer、Falko Helmholz、Rita Schroeder
DOI:10.1055/s-2003-42095
日期:——
The first unsymmetrical oxalic acid-bis(imidoyl)dichlorides were prepared and applied to the one-pot synthesis of the first unsymmetrical pyrrolo[3,2-b]pyrrole-2,5-diones and 2,2′-bis-quinazolin-4-ones.